This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
| n | a(n) |
|---|---|
| 1 | 3 |
| 2 | 8 |
| 3 | 15 |
| 4 | 26 |
| 5 | 39 |
| 6 | 56 |
| 7 | 75 |
| 8 | 98 |
| 9 | 129 |
| 10 | 172 |
| 11 | 233 |
| 12 | 312 |
| 13 | 413 |
| 14 | 540 |
| 15 | 707 |
| 16 | 898 |
| 17 | 1097 |
| 18 | 1410 |
| 19 | 1757 |
| 20 | 2458 |
| 21 | 4167 |
| 22 | 6784 |
| 23 | 10323 |
| 24 | 16130 |
| 25 | 26631 |
| 26 | 37322 |
| 27 | 48601 |
| 28 | 60992 |
| 29 | 75471 |
| 30 | 118208 |
| 31 | 201547 |
| 32 | 296916 |
| 33 | 414155 |
| 34 | 541186 |
| 35 | 680123 |
| 36 | 821202 |
| 37 | 1088219 |
| 38 | 1358206 |
| 39 | 1732527 |
| 40 | 2718718 |
| 41 | 6750117 |